Backend Developer (Java & C )

We are looking for a Backend Developer (Java & C ) to one of our clients within Banking & Finance.

Start date: 2026-10-01

End date: 2027-03-30

Location: Helsinki, Finland (3 days onsite, 2 days remote)

About the assignment

We are seeking an experienced Backend Developer with a strong background in C and Java FX to contribute to automated credit decisioning solutions. You will join a team responsible for building automated credit decisioning solutions across multiple business lines. The role involves full-stack development lifecycle ownership, from integration work through testing and deployment. You will collaborate closely with business stakeholders to deliver robust, well-documented solutions.

Main Responsibilities

The Backend Developer will engage in vital application development duties.

• Take responsibility for the full lifecycle of application development
• Work on integrations utilizing middle-tier frameworks.
• Perform manual and automated testing
• Regularly review code, implement improvements, and refactor as necessary.
• Maintain technical documentation.
• Exhibit strong communication skills and cooperate with business to clarify expectations

Profile & Qualifications:

• 6 years of experience as a backend developer.
• Proficient in C , Springboot, Microservices, and Java.
• Familiarity with Maven, Bamboo, Jenkins, GIT, and Jira.
• Knowledge of Clean Code principles.
• Experience with Agile development methodologies.
• Fluent in spoken and written English.

Required Skills

• C
• Java, Spring Boot

Microservices

• Maven, Jenkins, Git, Jira

Nice to have

• Experience with automation frameworks: Selenium and Cucumber.
• Knowledge of COBOL, JCL, DB2, VB, and ASP.
• Familiarity with Kubernetes container deployment.
• Proficiency in Finnish, as some code is in Finnish.
• Prior experience in the financial services industry.
• Experience with AI for developing business solutions.